New PDF release: Aquaculture: An Introductory Text

By Robert R. Stickney

ISBN-10: 0851990819

ISBN-13: 9780851990811

There are actually many introductory classes in aquaculture given at faculties and universities, yet there's a loss of acceptable normal textbooks for such classes. This publication goals to fill this hole via supplying a extensive and readable assessment of the topic. the point of interest is on aquatic animal creation, frequently of finfish and shellfish, yet aquatic crops also are pointed out. either clean and salt water, and hot and funky water construction are lined. the writer concentrates on proposing rules, instead of supplying aspect on how one can produce specific organisms, corresponding to shrimp or salmon. He describes all facets of the topic, from company making plans, via web site and water structures choice, to administration of the approach as soon as it truly is in operation. The pursuits of either built and constructing international locations are lined, as is the present debate in regards to the environmental influence of aquaculture.

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Extra resources for Aquaculture: An Introductory Text

Example text

In other cases, the prospective aquaculturist may have to visit several different agency offices at various levels of government, fill out complicated forms, collect environmental data in support of the application, develop an environmental impact statement, wait for public comment, put on a legal defence in court or appear before a hearing board, pay a significant amount of money for the permit itself and possibly pay a lease payment to utilize the proposed site if it involves the use of public waters.

Catfish farmers in the USA may not drain their ponds for periods of a decade or more, so there is less concern about effluent impacts on receiving waters than when water is continuously released or when ponds are drained during each harvest period. Issue 4: Issue: Cultured organisms are likely to transfer diseases to wild organisms. Industry Sector: This criticism has been raised with respect to both finfish and shellfish, particularly shrimp in the latter instance. It has also been raised with respect to exotic finfish and shellfish as it is thought that exotic species13 may bring in new diseases as well as pass them to wild populations.

It is obtained from species such as anchoveta, herring and menhaden. The oil is extracted from the fish, after which they are dried and ground into a fine meal. Those who object to the use of fish meal as an ingredient in aquaculture feeds often use the argument that it takes two or more kilograms of fish meal to produce a kilogram of edible fish which, following their logic, shows that aquaculture is not a sustainable practice. There is also a perception that aquaculture is the primary user of fish meal in the world.

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Aquaculture: An Introductory Text by Robert R. Stickney


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